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Correlation between H. pylori antibiotic resistance and CYP2C19 genetic polymorphism in rural patients.
| CYP2C19 phenotype | Antibiotic resistant cases (n) and rates (%) | ||
|---|---|---|---|
| Clarithromycin | Levofloxacin | Metronidazole | |
| EMs | 21 (22.11) | 17 (17.89) | 95 (100) |
| IMs | 16 (16.33) | 20 (20.41) | 97 (98.98) |
| PMs | 6 (28.57) | 3 (14.29) | 21 (100) |
| P value | 0.360 | 0.780 | NS |
EMs, extensive metabolizers; IMs, intermediate metabolizers; PMs, poor metabolizers.
NS: not significant by chi-square test.
